Struct Pde 

#[repr(transparent)]
pub struct Pde(u64);

L2 PDE — pointer to a Page Table (non-leaf; PS = 0).

• Physical address (bits 51:12) is a 4 KiB-aligned PT.
• In non-leaf PDEs, PAT lives at bit 12 only in the leaf form; here, all bits 12..51 are the next-level table address.

Tuple Fields

0: u64

Implementations

impl Pde

const PRESENT_BITS: usize = 1usize

const PRESENT_OFFSET: usize = 0usize

const WRITABLE_BITS: usize = 1usize

const WRITABLE_OFFSET: usize = 1usize

const USER_BITS: usize = 1usize

const USER_OFFSET: usize = 2usize

const WRITE_THROUGH_BITS: usize = 1usize

const WRITE_THROUGH_OFFSET: usize = 3usize

const CACHE_DISABLE_BITS: usize = 1usize

const CACHE_DISABLE_OFFSET: usize = 4usize

const ACCESSED_BITS: usize = 1usize

const ACCESSED_OFFSET: usize = 5usize

const OS_AVAILABLE_LOW_BITS: usize = 3usize

const OS_AVAILABLE_LOW_OFFSET: usize = 9usize

const PHYS_ADDR_51_12_BITS: usize = 40usize

const PHYS_ADDR_51_12_OFFSET: usize = 12usize

const OS_AVAILABLE_HIGH_BITS: usize = 7usize

const OS_AVAILABLE_HIGH_OFFSET: usize = 52usize

const PROTECTION_KEY_BITS: usize = 4usize

const PROTECTION_KEY_OFFSET: usize = 59usize

const NO_EXECUTE_BITS: usize = 1usize

const NO_EXECUTE_OFFSET: usize = 63usize

pub const fn new() -> Self

Creates a new default initialized bitfield.

pub const fn from_bits(bits: u64) -> Self

Convert from bits.

pub const fn into_bits(self) -> u64

Convert into bits.

pub const fn present(&self) -> bool

Present (bit 0).

Bits: 0..1

pub const fn with_present_checked(self, value: bool) -> Result<Self, ()>

Present (bit 0).

Bits: 0..1

pub const fn with_present(self, value: bool) -> Self

Present (bit 0).

Bits: 0..1

pub const fn set_present(&mut self, value: bool)

Present (bit 0).

Bits: 0..1

pub const fn set_present_checked(&mut self, value: bool) -> Result<(), ()>

Present (bit 0).

Bits: 0..1

pub const fn writable(&self) -> bool

Writable (bit 1).

Bits: 1..2

pub const fn with_writable_checked(self, value: bool) -> Result<Self, ()>

Writable (bit 1).

Bits: 1..2

pub const fn with_writable(self, value: bool) -> Self

Writable (bit 1).

Bits: 1..2

pub const fn set_writable(&mut self, value: bool)

Writable (bit 1).

Bits: 1..2

pub const fn set_writable_checked(&mut self, value: bool) -> Result<(), ()>

Writable (bit 1).

Bits: 1..2

pub const fn user(&self) -> bool

User (bit 2).

Bits: 2..3

pub const fn with_user_checked(self, value: bool) -> Result<Self, ()>

User (bit 2).

Bits: 2..3

pub const fn with_user(self, value: bool) -> Self

User (bit 2).

Bits: 2..3

pub const fn set_user(&mut self, value: bool)

User (bit 2).

Bits: 2..3

pub const fn set_user_checked(&mut self, value: bool) -> Result<(), ()>

User (bit 2).

Bits: 2..3

pub const fn write_through(&self) -> bool

Write-Through (bit 3).

Bits: 3..4

pub const fn with_write_through_checked(self, value: bool) -> Result<Self, ()>

Write-Through (bit 3).

Bits: 3..4

pub const fn with_write_through(self, value: bool) -> Self

Write-Through (bit 3).

Bits: 3..4

pub const fn set_write_through(&mut self, value: bool)

Write-Through (bit 3).

Bits: 3..4

pub const fn set_write_through_checked(&mut self, value: bool) -> Result<(), ()>

Write-Through (bit 3).

Bits: 3..4

pub const fn cache_disable(&self) -> bool

Cache Disable (bit 4).

Bits: 4..5

pub const fn with_cache_disable_checked(self, value: bool) -> Result<Self, ()>

Cache Disable (bit 4).

Bits: 4..5

pub const fn with_cache_disable(self, value: bool) -> Self

Cache Disable (bit 4).

Bits: 4..5

pub const fn set_cache_disable(&mut self, value: bool)

Cache Disable (bit 4).

Bits: 4..5

pub const fn set_cache_disable_checked(&mut self, value: bool) -> Result<(), ()>

Cache Disable (bit 4).

Bits: 4..5

pub const fn accessed(&self) -> bool

Accessed (bit 5).

Bits: 5..6

pub const fn with_accessed_checked(self, value: bool) -> Result<Self, ()>

Accessed (bit 5).

Bits: 5..6

pub const fn with_accessed(self, value: bool) -> Self

Accessed (bit 5).

Bits: 5..6

pub const fn set_accessed(&mut self, value: bool)

Accessed (bit 5).

Bits: 5..6

pub const fn set_accessed_checked(&mut self, value: bool) -> Result<(), ()>

Accessed (bit 5).

Bits: 5..6

pub const fn os_available_low(&self) -> u8

OS-available low (bits 9..11).

Bits: 9..12

pub const fn with_os_available_low_checked(self, value: u8) -> Result<Self, ()>

OS-available low (bits 9..11).

Bits: 9..12

pub const fn with_os_available_low(self, value: u8) -> Self

OS-available low (bits 9..11).

Bits: 9..12

pub const fn set_os_available_low(&mut self, value: u8)

OS-available low (bits 9..11).

Bits: 9..12

pub const fn set_os_available_low_checked( &mut self, value: u8, ) -> Result<(), ()>

OS-available low (bits 9..11).

Bits: 9..12

const fn phys_addr_51_12(&self) -> u64

Next-level table physical address (bits 12..51, 4 KiB-aligned).

Note: Do not insert reserved placeholders here; in non-leaf form these bits are entirely the PT base address.

Bits: 12..52

const fn with_phys_addr_51_12_checked(self, value: u64) -> Result<Self, ()>

Next-level table physical address (bits 12..51, 4 KiB-aligned).

Note: Do not insert reserved placeholders here; in non-leaf form these bits are entirely the PT base address.

Bits: 12..52

const fn with_phys_addr_51_12(self, value: u64) -> Self

Next-level table physical address (bits 12..51, 4 KiB-aligned).

Note: Do not insert reserved placeholders here; in non-leaf form these bits are entirely the PT base address.

Bits: 12..52

const fn set_phys_addr_51_12(&mut self, value: u64)

Next-level table physical address (bits 12..51, 4 KiB-aligned).

Note: Do not insert reserved placeholders here; in non-leaf form these bits are entirely the PT base address.

Bits: 12..52

const fn set_phys_addr_51_12_checked(&mut self, value: u64) -> Result<(), ()>

Next-level table physical address (bits 12..51, 4 KiB-aligned).

Note: Do not insert reserved placeholders here; in non-leaf form these bits are entirely the PT base address.

Bits: 12..52

pub const fn os_available_high(&self) -> u8

OS-available high (bits 52..58).

Bits: 52..59

pub const fn with_os_available_high_checked(self, value: u8) -> Result<Self, ()>

OS-available high (bits 52..58).

Bits: 52..59

pub const fn with_os_available_high(self, value: u8) -> Self

OS-available high (bits 52..58).

Bits: 52..59

pub const fn set_os_available_high(&mut self, value: u8)

OS-available high (bits 52..58).

Bits: 52..59

pub const fn set_os_available_high_checked( &mut self, value: u8, ) -> Result<(), ()>

OS-available high (bits 52..58).

Bits: 52..59

pub const fn protection_key(&self) -> u8

Protection Key / OS use (59..62).

Bits: 59..63

pub const fn with_protection_key_checked(self, value: u8) -> Result<Self, ()>

Protection Key / OS use (59..62).

Bits: 59..63

pub const fn with_protection_key(self, value: u8) -> Self

Protection Key / OS use (59..62).

Bits: 59..63

pub const fn set_protection_key(&mut self, value: u8)

Protection Key / OS use (59..62).

Bits: 59..63

pub const fn set_protection_key_checked(&mut self, value: u8) -> Result<(), ()>

Protection Key / OS use (59..62).

Bits: 59..63

pub const fn no_execute(&self) -> bool

No-Execute (bit 63).

Bits: 63..64

pub const fn with_no_execute_checked(self, value: bool) -> Result<Self, ()>

No-Execute (bit 63).

Bits: 63..64

pub const fn with_no_execute(self, value: bool) -> Self

No-Execute (bit 63).

Bits: 63..64

pub const fn set_no_execute(&mut self, value: bool)

No-Execute (bit 63).

Bits: 63..64

pub const fn set_no_execute_checked(&mut self, value: bool) -> Result<(), ()>

No-Execute (bit 63).

Bits: 63..64

impl Pde

pub const fn with_physical_page(self, phys: PhysicalPage<Size4K>) -> Self

Set the Page Table base (4 KiB-aligned).

pub const fn set_physical_page(&mut self, phys: PhysicalPage<Size4K>)

Set the Page Table base (4 KiB-aligned).

pub const fn physical_address(self) -> PhysicalPage<Size4K>

Get the Page Table base.

pub const fn new_common_rw() -> Self

Non-leaf PDE with common kernel RW flags.

Trait Implementations

impl Clone for Pde

fn clone(&self) -> Pde

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Pde

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Pde

fn default() -> Self

Returns the “default value” for a type.

impl From<Pde> for PdEntry

fn from(e: Pde) -> Self

Converts to this type from the input type.

impl From<Pde> for VirtualMemoryPageBits

fn from(e: Pde) -> Self

Converts to this type from the input type.

impl From<Pde> for u64

fn from(v: Pde) -> u64

Converts to this type from the input type.

impl From<u64> for Pde

fn from(v: u64) -> Self

Converts to this type from the input type.

impl Copy for Pde